Why the study?
Does surgical resection of the muscular band prevent recurrence of ventricular tachycardia in adult patients with double-chambered right ventricle?
Case Report (n=2)
Does surgical resection of the muscular band prevent recurrence of ventricular tachycardia in adult patients with double-chambered right ventricle?
Surgical resection of the hypertrophied muscular band in double-chambered right ventricle may effectively treat associated sustained monomorphic ventricular tachycardia.
Double-chambered right ventricle (DCRV) is a congenital anomaly characterized by the division of the ventricular cavity into two chambers separated by an abnormal hypertrophied muscular band or by severe hypertrophy of the muscle wall. Two adult patients with a diagnosis of DCRV presented sustained monomorphic ventricular tachycardia. In both cases, the clinical tachycardia was induced with programmed stimulation. After surgically resecting, the muscular band tachycardia could no longer be induced in the patient who underwent follow-up electrophysiological study. The outcome was favourable; there was no clinical recurrence of ventricular tachycardia in the two patients at 48 and 36 months, respectively.
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Álvarez et al. (2006) conducted a case report in Double-chambered right ventricle with sustained monomorphic ventricular tachycardia (n=2). Surgical resection of the muscular band was evaluated on Clinical recurrence of ventricular tachycardia.
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